{"product_id":"fanuc-ai-servo-amplifier-control-card-200vac-input-a20b-2100-0801-copy","title":"Fanuc ai Servo Amplifier Control Card 200VAC-input A20B-2100-0802","description":"\u003ch2 data-section-id=\"1l6ipoy\" data-start=\"84\" data-end=\"116\"\u003e🔧 A20B-2100-0802 — Description\u003c\/h2\u003e\n\u003ch2 data-section-id=\"1l6ipoy\" data-start=\"84\" data-end=\"116\"\u003e📌 Full Technical Description\u003c\/h2\u003e\n\u003cp data-start=\"117\" data-end=\"283\"\u003e\u003cstrong data-start=\"117\" data-end=\"135\"\u003eA20B-2100-0802\u003c\/strong\u003e is a \u003cstrong data-start=\"141\" data-end=\"200\"\u003eFANUC spindle drive control PCB (printed circuit board)\u003c\/strong\u003e used in \u003cstrong data-start=\"209\" data-end=\"266\"\u003eAlpha i spindle amplifier modules (aiSP \/ SPM series)\u003c\/strong\u003e in CNC machines.\u003c\/p\u003e\n\u003cul data-start=\"285\" data-end=\"476\"\u003e\n\u003cli data-section-id=\"1ls4bne\" data-start=\"285\" data-end=\"312\"\u003e\n\u003cstrong data-start=\"287\" data-end=\"304\"\u003eManufacturer:\u003c\/strong\u003e FANUC\u003c\/li\u003e\n\u003cli data-section-id=\"12u2o0e\" data-start=\"313\" data-end=\"348\"\u003e\n\u003cstrong data-start=\"315\" data-end=\"331\"\u003ePart Number:\u003c\/strong\u003e A20B-2100-0802\u003c\/li\u003e\n\u003cli data-section-id=\"13yxpub\" data-start=\"349\" data-end=\"400\"\u003e\n\u003cstrong data-start=\"351\" data-end=\"360\"\u003eType:\u003c\/strong\u003e Spindle drive control \/ interface PCB\u003c\/li\u003e\n\u003cli data-section-id=\"1gfvg5i\" data-start=\"401\" data-end=\"426\"\u003e\n\u003cstrong data-start=\"403\" data-end=\"414\"\u003eSeries:\u003c\/strong\u003e A20B-2100\u003c\/li\u003e\n\u003cli data-section-id=\"1jqixv8\" data-start=\"427\" data-end=\"476\"\u003e\n\u003cstrong data-start=\"429\" data-end=\"445\"\u003eApplication:\u003c\/strong\u003e CNC spindle amplifier module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"478\" data-end=\"481\"\u003e\n\u003ch2 data-section-id=\"15abxqy\" data-start=\"483\" data-end=\"512\"\u003e⚙️ Function (What it does)\u003c\/h2\u003e\n\u003cul data-start=\"513\" data-end=\"794\"\u003e\n\u003cli data-section-id=\"186kln0\" data-start=\"513\" data-end=\"579\"\u003eActs as an \u003cstrong data-start=\"526\" data-end=\"579\"\u003einternal control PCB inside the spindle amplifier\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wwwt1\" data-start=\"580\" data-end=\"794\"\u003eHandles:\n\u003cul data-start=\"593\" data-end=\"794\"\u003e\n\u003cli data-section-id=\"1k9qhur\" data-start=\"593\" data-end=\"624\"\u003eSpindle motor control logic\u003c\/li\u003e\n\u003cli data-section-id=\"166344e\" data-start=\"627\" data-end=\"685\"\u003eCommunication between CNC controller and spindle drive\u003c\/li\u003e\n\u003cli data-section-id=\"dj2e9p\" data-start=\"688\" data-end=\"733\"\u003eInternal signal processing and monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"ss5bj2\" data-start=\"736\" data-end=\"794\"\u003eCoordination between control section and power section\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"796\" data-end=\"914\"\u003e👉 In simple terms:\u003cbr data-start=\"815\" data-end=\"818\"\u003eIt is a \u003cstrong data-start=\"826\" data-end=\"913\"\u003ecore control board that helps run and manage the spindle motor inside the amplifier\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"916\" data-end=\"919\"\u003e\n\u003ch2 data-section-id=\"134pt8r\" data-start=\"921\" data-end=\"962\"\u003e🔍 Technical Identification (Verified)\u003c\/h2\u003e\n\u003cul data-start=\"963\" data-end=\"1152\"\u003e\n\u003cli data-section-id=\"obocqk\" data-start=\"963\" data-end=\"1152\"\u003eDescribed as:\n\u003cul data-start=\"981\" data-end=\"1152\"\u003e\n\u003cli data-section-id=\"gtynr5\" data-start=\"981\" data-end=\"1076\"\u003e\n\u003cstrong data-start=\"983\" data-end=\"1036\"\u003e“FANUC circuit board \/ control PCB for amplifier”\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qlezqs\" data-start=\"1079\" data-end=\"1152\"\u003e\n\u003cstrong data-start=\"1081\" data-end=\"1112\"\u003e“FANUC spindle control PCB”\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1154\" data-end=\"1258\"\u003e👉 This confirms:\u003cbr\u003e\u003cstrong data-start=\"1172\" data-end=\"1258\"\u003eIt belongs directly to the spindle drive system (not a main CNC CPU or I\/O board).\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"1260\" data-end=\"1263\"\u003e\n\u003ch2 data-section-id=\"1v4nue1\" data-start=\"1265\" data-end=\"1287\"\u003e🏭 Where it is used\u003c\/h2\u003e\n\u003cul data-start=\"1288\" data-end=\"1455\"\u003e\n\u003cli data-section-id=\"1mzdr48\" data-start=\"1288\" data-end=\"1376\"\u003eInstalled inside:\n\u003cul data-start=\"1310\" data-end=\"1376\"\u003e\n\u003cli data-section-id=\"9z6z61\" data-start=\"1310\" data-end=\"1376\"\u003eFANUC \u003cstrong data-start=\"1318\" data-end=\"1374\"\u003eAlpha i spindle amplifiers (A06B-6141 \/ 6111 series)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"12vlgt4\" data-start=\"1377\" data-end=\"1455\"\u003eUsed in:\n\u003cul data-start=\"1390\" data-end=\"1455\"\u003e\n\u003cli data-section-id=\"9nr7ni\" data-start=\"1390\" data-end=\"1415\"\u003eCNC machining centers\u003c\/li\u003e\n\u003cli data-section-id=\"1uqvpnl\" data-start=\"1418\" data-end=\"1432\"\u003eCNC lathes\u003c\/li\u003e\n\u003cli data-section-id=\"18n0igq\" data-start=\"1435\" data-end=\"1455\"\u003eMilling machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1457\" data-end=\"1460\"\u003e\n\u003ch2 data-section-id=\"5l0glt\" data-start=\"1462\" data-end=\"1494\"\u003e🧩 Series Context (Important)\u003c\/h2\u003e\n\u003cp data-start=\"1495\" data-end=\"1532\"\u003eWithin the \u003cstrong data-start=\"1506\" data-end=\"1531\"\u003eA20B-2100-08xx family\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-start=\"1534\" data-end=\"1699\"\u003e\n\u003cli data-section-id=\"1liogau\" data-start=\"1534\" data-end=\"1573\"\u003e\n\u003cstrong data-start=\"1536\" data-end=\"1544\"\u003e0800\u003c\/strong\u003e → Main spindle control PCB\u003c\/li\u003e\n\u003cli data-section-id=\"i1kbn7\" data-start=\"1574\" data-end=\"1613\"\u003e\n\u003cstrong data-start=\"1576\" data-end=\"1584\"\u003e0801\u003c\/strong\u003e → PLC\/add-on control board\u003c\/li\u003e\n\u003cli data-section-id=\"4cizg4\" data-start=\"1614\" data-end=\"1699\"\u003e\n\u003cstrong data-start=\"1616\" data-end=\"1624\"\u003e0802\u003c\/strong\u003e → \u003cstrong data-start=\"1627\" data-end=\"1697\"\u003eControl\/interface PCB variant (enhanced or configuration-specific)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1701\" data-end=\"1721\"\u003e👉 These boards are:\u003c\/p\u003e\n\u003cul data-start=\"1722\" data-end=\"1792\"\u003e\n\u003cli data-section-id=\"hh69p4\" data-start=\"1722\" data-end=\"1740\"\u003eNot standalone\u003c\/li\u003e\n\u003cli data-section-id=\"17shu9e\" data-start=\"1741\" data-end=\"1792\"\u003eAlways used inside spindle amplifier assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1794\" data-end=\"1797\"\u003e\n\u003ch2 data-section-id=\"c2zqdr\" data-start=\"1799\" data-end=\"1820\"\u003e⚠️ Important Notes\u003c\/h2\u003e\n\u003cul data-start=\"1821\" data-end=\"2026\"\u003e\n\u003cli data-section-id=\"45dgsg\" data-start=\"1821\" data-end=\"1896\"\u003e❗ Typically \u003cstrong data-start=\"1835\" data-end=\"1862\"\u003enot supplied separately\u003c\/strong\u003e (part of full amplifier module)\u003c\/li\u003e\n\u003cli data-section-id=\"5egofw\" data-start=\"1897\" data-end=\"1940\"\u003e❗ Often \u003cstrong data-start=\"1907\" data-end=\"1938\"\u003eobsolete \/ refurbished only\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"163v3kt\" data-start=\"1941\" data-end=\"2026\"\u003e❗ Must match:\n\u003cul data-start=\"1959\" data-end=\"2026\"\u003e\n\u003cli data-section-id=\"pl6j2c\" data-start=\"1959\" data-end=\"1992\"\u003eExact spindle amplifier model\u003c\/li\u003e\n\u003cli data-section-id=\"vl59zk\" data-start=\"1995\" data-end=\"2026\"\u003eHardware version and suffix\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1nccn2b\" data-start=\"2028\" data-end=\"2056\"\u003eCommon failure symptoms:\u003c\/h3\u003e\n\u003cul data-start=\"2057\" data-end=\"2145\"\u003e\n\u003cli data-section-id=\"m5yezs\" data-start=\"2057\" data-end=\"2081\"\u003eSpindle not rotating\u003c\/li\u003e\n\u003cli data-section-id=\"mmlpo3\" data-start=\"2082\" data-end=\"2109\"\u003eSpindle amplifier alarm\u003c\/li\u003e\n\u003cli data-section-id=\"lkinbq\" data-start=\"2110\" data-end=\"2145\"\u003eCNC–spindle communication fault\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2147\" data-end=\"2150\"\u003e\n\u003ch2 data-section-id=\"4p4rx5\" data-start=\"2152\" data-end=\"2165\"\u003e👍 Summary\u003c\/h2\u003e\n\u003cp data-start=\"2166\" data-end=\"2400\"\u003e\u003cstrong data-start=\"2166\" data-end=\"2226\"\u003eA20B-2100-0802 = FANUC Alpha i spindle drive control PCB\u003c\/strong\u003e\u003cbr data-start=\"2226\" data-end=\"2229\"\u003e➡️ Installed inside spindle amplifier (aiSP \/ SPM)\u003cbr data-start=\"2279\" data-end=\"2282\"\u003e➡️ Controls spindle motor operation and communication\u003cbr data-start=\"2335\" data-end=\"2338\"\u003e➡️ Variant of 0800 \/ 0801 boards for specific configurations\u003c\/p\u003e","brand":"JJAutomation","offers":[{"title":"Default Title","offer_id":45035158438024,"sku":"A20B-2100-0802","price":0.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/1903\/3224\/files\/WhatsAppImage2025-10-18at1.47.49PM-2026-04-15T134132.493.jpg?v=1776240700","url":"https:\/\/jjautomation.in\/products\/fanuc-ai-servo-amplifier-control-card-200vac-input-a20b-2100-0801-copy","provider":"JJAutomation","version":"1.0","type":"link"}